deploy docs preview from CI

.github/workflows/ci.yml

@@ -150,6 +150,22 @@ jobs:
         timeout-minutes: 25
         run: earthly --no-output ./yarn-project/+test
 
+  docs-preview:
+    needs: build
+    runs-on: ${{ inputs.username || github.actor }}-x86
+    steps:
+      - {
+          uses: actions/checkout@v4,
+          with: { ref: "${{ github.event.pull_request.head.sha }}" },
+        }
+      - uses: ./.github/ci-setup-action
+        with:
+          dockerhub_password: "${{ secrets.DOCKERHUB_PASSWORD }}"
+          concurrency_key: docs-preview-${{ inputs.username || github.actor }}-x86
+      - name: "Docs Preview"
+        timeout-minutes: 25
+        run: earthly --no-output ./docs/+deploy-preview --PR=${{ github.event.number }} --AZTEC_BOT_COMMENTER_GITHUB_TOKEN=${{ secrets.AZTEC_BOT_GITHUB_TOKEN }} --NETLIFY_AUTH_TOKEN=${{ secrets.NETLIFY_AUTH_TOKEN }} --NETLIFY_SITE_ID=${{ secrets.NETLIFY_SITE_ID }}
+
   # push benchmarking binaries to dockerhub registry
   bb-bench-binaries:
     needs: setup

docs/Earthfile

@@ -4,6 +4,7 @@ FROM node:18.19.0
 WORKDIR /usr/src/docs
 
 deps:
+  RUN apt update && apt install -y jq curl perl && rm -rf /var/lib/apt/lists/* && apt-get clean
   COPY ./yarn.lock ./yarn.lock
   COPY ./package.json ./package.json
   RUN yarn install --frozen-lockfile
@@ -13,8 +14,6 @@ build:
   BUILD ../+release-meta
   FROM +deps
 
-  RUN apt update && apt install -y jq curl perl && rm -rf /var/lib/apt/lists/* && apt-get clean
-
   COPY --dir ../yarn-project/+build-dev/usr/src /usr
   COPY ../+release-meta/usr/src/.release-please-manifest.json /usr/src
 
@@ -32,6 +31,17 @@ serve:
   COPY ./sidebars.js .
   ENTRYPOINT ["yarn", "serve"]
   EXPOSE 3000
+  SAVE ARTIFACT /usr/src/docs
   SAVE IMAGE aztecprotocol/docs-server
 
+deploy-preview:
+  ARG NETLIFY_AUTH_TOKEN
+  ARG NETLIFY_SITE_ID
+  ARG AZTEC_BOT_COMMENTER_GITHUB_TOKEN
+  ARG PR
+  FROM +serve
+  COPY --dir ../yarn-project/+build-dev/usr/src/yarn-project/scripts ../yarn-project/scripts
+  COPY ./netlify.toml .
+  COPY ./deploy_preview.sh .
+  RUN NETLIFY_AUTH_TOKEN=$NETLIFY_AUTH_TOKEN NETLIFY_SITE_ID=$NETLIFY_SITE_ID ./deploy_preview.sh $PR $AZTEC_BOT_COMMENTER_GITHUB_TOKEN
 

docs/deploy_preview.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+set -eu
+
+PR_URL="$1"
+AZTEC_BOT_COMMENTER_GITHUB_TOKEN="$2"
+
+API_URL="${PR_URL/github.com/api.github.com/repos}"
+API_URL="${API_URL/pull/pulls}"
+API_URL="${API_URL}/files"
+
+echo "API URL: $API_URL"
+
+DOCS_CHANGED=$(curl -L \
+    -H "Authorization: Bearer $AZTEC_BOT_COMMENTER_GITHUB_TOKEN" \
+    "${API_URL}" | \
+    jq '[.[] | select(.filename | startswith("docs/"))] | length > 0')
+
+echo "Docs changed: $DOCS_CHANGED"
+
+if [ "$DOCS_CHANGED" = "false" ]; then
+    echo "No docs changed, not deploying"
+    exit 0
+fi
+
+# Regular deploy if the argument is not "master" and docs changed
+DEPLOY_OUTPUT=$(yarn netlify deploy --site aztec-docs-dev)
+UNIQUE_DEPLOY_URL=$(echo "$DEPLOY_OUTPUT" | grep -E "https://.*aztec-docs-dev.netlify.app" | awk '{print $4}')
+echo "Unique deploy URL: $UNIQUE_DEPLOY_URL"
+
+cd ../yarn-project/scripts
+UNIQUE_DEPLOY_URL=$UNIQUE_DEPLOY_URL yarn docs-preview-comment

docs/package.json

@@ -42,6 +42,7 @@
     "concurrently": "^8.0.1",
     "docusaurus-plugin-typedoc": "^0.20.2",
     "dotenv": "^16.3.1",
+    "netlify-cli": "^17.23.0",
     "nodemon": "^3.0.1",
     "typedoc": "^0.25.1",
     "typedoc-plugin-markdown": "^3.16.0",